Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/04—Dispersions; Emulsions
  • A61K8/06—Emulsions
  • A61K8/062—Oil-in-water emulsions
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/60—Sugars; Derivatives thereof
  • A61K8/602—Glycosides, e.g. rutin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/60—Sugars; Derivatives thereof
  • A61K8/608—Derivatives containing from 2 to 10 oxyalkylene groups
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/73—Polysaccharides
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
  • A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P17/00—Drugs for dermatological disorders
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P17/00—Drugs for dermatological disorders
  • A61P17/10—Anti-acne agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
  • A61Q19/08—Anti-ageing preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
  • A61K2800/28—Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants

Definitions

• the invention relates to a cosmetic and/or dermatological composition and to the use of this composition for combating ageing of the skin, and for treating skin disorders.
• Beta-hydroxy acids and in particular, salicylic acid and its derivatives have been known as keratolytic agents for treating acne and as antiageing agents in cosmetic and/or dermatological compositions.
• document WO-A-93/10756 describes the use of a composition based on salicylic acid for treating wrinkles
• documents FR-A-2,581,542 and EP-A-378,936 describe the use of salicylic acid derivatives for treating acne and the signs of ageing.
• Salicylic acid and its derivatives are of great interest given their biological effects on the skin, particularly in treating the principal clinical signs of skin ageing which are fine lines and wrinkles, the disorganization of the“grain” of the skin, the modification of the complexion of the skin and the loss of skin firmness and tone.
• Salicylic acid derivatives have a higher keratolytic activity and effective bacteriostatic activity compared to salicylic acid.
• compositions for treating skin to combat the effects of ageing.
• the applicant has found, unexpectedly, that the tolerance of individuals to salicylic acid and its derivatives can be increased by incorporating them into an oil-in-water (O/W) emulsion containing a mixture of at least one fatty ester of glucose or an alkylglucose and at least one oxyalkylenated ether of a fatty ester of glucose or an alkylglucose.
• O/W oil-in-water
• the present invention is directed to a cosmetic and/or dermatological composition in the form of an oil-in-water emulsion, which contains (i) salicylic acid and/or at least one salicylic acid derivative, (ii) at least one ester of a fatty acid and glucose and/or an alkylglucose, and (iii) at least one oxyalkylenated ether of a fatty acid ester of glucose and/or an alkylglucose.
• the fatty chain in the ester of a fatty acid and an (alkyl)glucose and in the oxyalkylenated ether of a fatty acid ester of an (alkyl)glucose may contain from about 8 to about 30 carbon atoms and more particularly from about 10 to about 22 carbon atoms.
• Suitable esters of a fatty acid and glucose or an alkylglucose include the fatty esters of methylglucoside such as the diester of methylglucoside and oleic acid (CTFA name: methyl glucose dioleate); the mixed ester of methylglucoside and an oleic acid/hydroxystearic acid mixture (CTFA name: methyl glucose dioleate/hydroxystearate); the ester of methylglucoside and isostearic acid (CTFA name: methyl glucose isostearate); the ester of methylglucoside and lauric acid (CTFA name: methyl glucose laurate); the ester of methylglucoside and isostearic acid (CTFA name: methyl glucose isostearate); a mixture of the monoester and diester of methylglucoside and isostearic acid (CTFA name: methyl glucose sesquiisostearate); a mixture of the monoester and diester of methylglucoside and stearic acid (CTFA
• the ester of a fatty acid and glucose or alkylglucose is introduced into the oily phase of the emulsion and in a quantity sufficient to achieve the desired result.
• This amount may range from about 0.1% to about 10% by weight, preferably from about 1% to about 3% by weight relative to the total weight of the composition.
• the oxyalkylenated ether of a fatty acid and glucose or alkylglucose may contain from about 10 to about 100 oxyalkylenated groups (or moles of an alkylene oxide such as ethylene oxide, propylene oxide or mixtures thereof), preferably from about 20 to about 40 oxyalkylenated groups.
• Suitable ethers of a fatty acid and glucose or alkylglucose include, for example, oxyethylenated ethers of a fatty acid and methylglucose, such as a polyethylene glycol ether of a diester of methylglucose and stearic acid containing about 20 moles of ethylene oxide (CTFA name: PEG-20 methyl glucose distearate marketed under the name Glucam E-20 distearate by the company Amerchol); a polyethylene glycol ether of a mixture of the monoester and diester of methylglucose and stearic acid containing about 20 moles of ethylene oxide (CTFA name: PEG-20 methyl glucose sesquistearate marketed under the name Glucamate SSE-20 by the company Amerchol and under the name Grillocose PSE-20 by the company Goldschmidt). Mixtures of these oxyalkylenated ethers can be used.
• the oxyalkylenated ether is introduced into the aqueous phase of the emulsion and in a quantity sufficient to achieve the desired result.
• the oxyalkylenated ether may be used in an amount of from about 0.1% to about 10% by weight, preferably from about 1% to about 3% by weight relative to the total weight of the composition.
• compositions of the invention also contain salicylic acid and/or one or more salicylic acid derivatives.
• suitable salicylic acid derivatives include those of formula (I) or a salt thereof:
• R 1 represents hydrogen or a saturated, linear, branched or cyclized aliphatic hydrocarbon group or an alkoxy, ester or ketoxy group, or an unsaturated group having at least one conjugated or unconjugated double bond, wherein these groups may contain from 1 to about 22 carbon atoms and may be substituted with at least one substituent chosen from halogen atoms, the trifluoromethyl group, hydroxyl groups in a free form or esterifled by an acid having from 1 to about 6 carbon atoms or a carboxyl group, which is free or esterified by a lower alcohol having from 1 to about 6 carbon atoms;
• R 2 represents a hydroxyl group or an ester of formula (II):
• R 4 represents a saturated aliphatic group or an alkenyl group having from 1 to about 18 carbon atoms
• R 3 represents hydrogen or a saturated or unsaturated linear or branched chain having from 2 to about 30 carbon atoms, optionally containing one or more substituents such as those listed above.
• Alkyl and alkenyl radicals containing from 2 to about 30 carbon atoms are suitable and are optionally substituted.
• the preferred substituent is a hydroxyl radical.
• Suitable bases include alkali metal hydroxides (sodium and potassium hydroxides), ammonium hydroxide, organic bases such as primary, secondary, tertiary or cyclic organic amines, and amino acids.
• bases include glycine, lysine, arginine, taurine, histidine, alanine, valine, cysteine, trihydroxymethylaminomethane (TRISTA) and triethanolamine.
• compositions are prepared using derivatives of formula (I) where R 1 contains at least 4 carbon atoms.
• R 1 may be a saturated linear alkyl or alkoxy radical having from 4 to 11 carbon atoms.
• Derivatives of formula (I) in which R 2 is hydroxyl and R 3 is hydrogen include 5-n-octanoylsalicylic acid (CTFA name: Capryloyl Salicylic Acid), 5-n-decanoylsalicylic acid, 5-n-dodecanoylsalicylic acid, 5-n-octylsalicylic acid, 5-n-heptyloxysalicylic acid, 5-tert-octylsalicylic acid, 5-butoxysalicylic acid, 5-ethoxysalicylic acid, 5-methoxysalicylic acid, 5-propoxysalicylic acid, 5-methylsalicylic acid, 5-ethylsalicylic acid and 5-propylsalicylic acid, optionally treated with a base.
• CFA name Capryloyl Salicylic Acid
• 5-n-decanoylsalicylic acid 5-n-dodecanoylsalicylic acid
• the derivative of formula (I) is a salicylic acid ester.
• Preferred compounds include esters of fatty alcohols such as dodecyl, hexadecyl, stearyl, cetyl, myristyl, linoleyl, octyl, oleyl and tridecyl alcohols, or esters of butyl, propyl and ethyl alcohols, or esters of polyols such as propylene glycol, butylene glycol, ethylene glycol or glycerol, or mixtures of these esters.
• Specific examples include cetyl salicylate, dodecyl salicylate and tridecyl salicylate.
• Salicylic acid and its derivatives are used in the compositions of the present invention in an amount sufficient to achieve the desired cosmetic or dermatological result.
• the quantity of salicylic acid and/or salicylic acid derivatives ranges from about 0.001 to about 10% by weight, preferably from about 0.05 to about 5% by weight relative to the total weight of the composition.
• the composition has a pH close to that of the skin and preferably ranges from about 4 to about 7. This results in a high compatibility between the emulsion of the invention and the skin.
• compositions of the invention are intended for topical application and appropriately include a physiologically acceptable medium.
• Physiologically acceptable medium is understood to mean a medium compatible with the skin, the mucous membranes (including the inside of the eyelids and the lips), the nails and/or the keratinous fibers (hair and eyelashes).
• the oily phase of the present compositions may comprise the fatty acids and oils conventionally used in the cosmetic and/or dermatological fields.
• Suitable oils which can be used in the emulsions of the invention include oils of plant origin Oojoba, avocado, sesame, sunflower, maize, soyabean, safflower, grape seeds), mineral oils (petroleum jelly, optionally hydrogenated isoparaffins), synthetic oils (isopropyl myristate, cetearyl octanoate, polyisobutylene, ethylhexyl palmitate, alkyl benzoates), silicone oils (cyclomethicones such as cyclohexadimethylsiloxane, polydimethylsiloxanes, polymethylphenylsiloxanes, polydimethylfluorosiloxanes) and fluorinated oils.
• Other fatty substances which may be present in the oily phase include fatty acids, fatty alcohols such as stearyl alcohol, and wax
• the oily phase of the emulsion may represent from about 1 to about 50% and preferably from about 5 to about 40% by weight relative to the total weight of the composition.
• the aqueous phase of the emulsion may contain one or more alcohols and/or polyols such as ethanol, glycerin, butylene glycol, isoprene glycol, propylene glycol and sorbitol, in concentrations ranging from about 1 to about 20% by weight of the total weight of the composition.
• the aqueous phase generally represents from about 1 to about 80% and preferably from about 30 to about 70% by weight relative to the total weight of the composition.
• compositions of the invention may contain adjuvants which are customarily used in the cosmetic and/or dermatological fields. These include hydrophilic or lipophilic active agents, preservatives, antioxidants, perfumes, fillers, coloring matter (pigments or colorants), sunscreens, solvents and lipid vesicles. These adjuvants are normally present in amounts ranging from about 0.01 to about 20% of the total weight of the emulsion, and, depending on their nature, may be introduced into the aqueous phase or the oily phase of the composition, or alternatively into vesicles.
• adjuvants which are customarily used in the cosmetic and/or dermatological fields. These include hydrophilic or lipophilic active agents, preservatives, antioxidants, perfumes, fillers, coloring matter (pigments or colorants), sunscreens, solvents and lipid vesicles. These adjuvants are normally present in amounts ranging from about 0.01 to about 20% of the total weight of the emulsion, and, depending on their nature, may be introduced into
• Suitable sunscreens include octocrylene (Uvinul N539 marketed by the company BASF), octyl methoxycinnamate (Parsol MCX marketed by the company Givaudan-Roure), and butyl methoxy-dibenzoylmethane (Parsol 1789 marketed by the company Givaudan-Roure).
• Suitable solvents which may be used in the compositions of the invention include octyldodecanol.
• Gelling agents may be employed to achieve the desired fluidity of the composition.
• Suitable gelling agents include clays, polysaccharide gums and their derivatives (xanthan gum, carboxymethylcellulose, hydroxypropyl guar), carboxyvinyl polymers or carbomers, polyacrylamides such as those marketed under the name SEPIGEL 305 by the company SEPPIC and at least partially crosslinked polymers of acrylamidomethylpropanesulphonic acid such as the product marketed under the name HOSTACERIN AMPS by the company HOECHST.
• These gelling agents are generally used at concentrations ranging from about 0.1 to about 10%, preferably about 0.1 to about 5% and most preferably from about 0.1 to about 3% of the total weight of the composition.
• compositions of the invention find application in dermatological treatments for the skin, the mucous membranes and/or the hair, including the scalp, and in particular, the protection, care and cleansing of, and/or as make-up for the skin and/or the mucous membranes, for the protection and/or care of the hair and/or for therapeutic treatment of the skin, the hair and/or the mucous membranes and more particularly the lips.
• compositions of the invention can be used in preparing care or cleansing products for the face, particularly in the form of lotions, creams or milks, and as make-up products (skin and lips) by incorporation of fillers, pigments or colorants.
• the compositions can be used to protect the skin from exposure to the sun by incorporation of sunscreen(s).
• compositions of the invention are appropriate for use in the care of the skin and/or the mucous membranes and/or the keratinous fibers of a human being.
• the compositions are suitable for combating the signs of skin ageing, for making the skin of the face and body smooth, for treating the wrinkles and fine lines of the skin, for stimulating the process of epidermal renewal and for treating acne and other skin disorders.
• Skin disorders include zona, burns, eczema, demodicidosis, skin ulcer, fibrosis, control of cicatrizations, psoriasis, pruritus, dermatitis, ichthyosis, corns and verrucae.
• the invention also provides a method for the protection, care and cleansing of the skin and mucous membranes and keratinous fibers of the human body by applying thereto compositions as defined above.
• the invention also provides a method for combating the signs of skin ageing, for enhancing the brightness of ones complexion, for making the skin of the face and body smooth, for treating wrinkles and fine lines of the skin and for stimulating the process of epidermal renewal by applying to the skin a composition as defined above.
• a Glucate SS [Amerchol] (Methyl Glucose 2% Sesquistearate) Steary1 alcohol 1.5% Cyclomethicone 10% Hydrogenated isoparaffin 7% Octocrylene (Uvinul N539) 2% Octyldodecanol 5% Capryloyl Salicylic Acid 1% Perfume 0.3% B Water qs 100% Glycerin 5% Glucamate SSE-20 [Amerchol] 2% (PEG-20 Methyl Glucose Sesquistearate) Preservatives 0.6% C Hostacerin AMPS 1.2% D Sepigel 305 1%
• Phase A and phase B are each heated at 75° C. until solubilization.
• A is introduced into B, with stirring, until a fine and uniform emulsion is obtained.
• the cream obtained when applied to the skin, enhances brightness of the complexion.
• a Glucate SS [Amerchol] (Methyl Glucose 1.5% Sesquistearate) Stearyl alcohol 1% Cyclomethicone 5% Octocrylene (Uvinul N539) 2% Octyldodecanol 3% Capryloyl Salicylic Acid 5% Perfume 0.2% Preservatives 0.1% B Water qs 160% Glycerin 3% Glucamate SSE-20 [Amerchol] 1.5% (PEG-20 Methyl Glucose Sesquistearate) Preservatives 0.5% C Water 15% Xantham gum 0.1% D Sepigel 305 1%
• Phase A at 75° C. is introduced into phase B at 75° C., with stirring, until a fine and uniform emulsion is obtained.
• Phase C is homogenized, with stirring, in water at 50° C. and then introduced, with stirring at 50° C. , into the A+B mixture.
• Compound D is introduced at 50° C. and dispersed, with stirring.
• the fluid obtained is cooled, with stirring.
• An emulsion is obtained which, upon regular application to the skin, enhances cellular renewal thereof.

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Cited By (21)

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Citations (10)

• 1998
  • 1998-08-17 FR FR9810472A patent/FR2782269B1/fr not_active Expired - Fee Related
• 1999
  • 1999-07-09 ES ES99401738T patent/ES2181376T3/es not_active Expired - Lifetime
  • 1999-07-09 DE DE69902131T patent/DE69902131T2/de not_active Expired - Lifetime
  • 1999-07-09 EP EP99401738A patent/EP0987011B1/fr not_active Expired - Lifetime
  • 1999-07-09 AT AT99401738T patent/ATE220536T1/de not_active IP Right Cessation
  • 1999-08-02 BR BR9903434-4A patent/BR9903434A/pt not_active Application Discontinuation
  • 1999-08-06 CA CA002279722A patent/CA2279722C/fr not_active Expired - Fee Related
  • 1999-08-13 JP JP22947499A patent/JP3595206B2/ja not_active Expired - Lifetime
  • 1999-08-13 KR KR1019990033314A patent/KR100350252B1/ko not_active IP Right Cessation
  • 1999-08-16 CN CN99118102A patent/CN1101180C/zh not_active Expired - Fee Related
  • 1999-08-17 US US09/375,488 patent/US6281203B1/en not_active Expired - Lifetime

Patent Citations (11)

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